仕し切きり屋や

noun

bossy person; self-appointed manager; bossyboots

Colloquial, mildly derogatory term for someone who takes charge without being asked, often organizing or directing others in a pushy way.

• 彼かれはいつも仕し切きり屋やで、みんなの予よ定ていまで決きめたがる。

  He's always a bossyboots, wanting to decide everyone's plans.

• あの仕し切きり屋やがまた会かい議ぎを仕し切きっている。

  That self-appointed manager is running the meeting again.